Linux · 
Amazon Linux · Security advisory · November 7, 2026
Amazon Linux · Security advisory · November 7, 2026ALAS2023-2026-3151: Security update for 8 packages
ALAS2023-2026-3151, released November 7, 2026, fixes 22 CVEs across 8 products. None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
22
6 rated Critical
Exploited
0
None reported
Highest CVSS
9.8
Base score, 0 to 10
Highest EPSS
0.0076
55th percentile
Priority of the 22 CVEs
Patch now 0
Urgent 6
High 13
Routine 3
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| tomcat11 | amzn 2023 | 1:11.0.26-1.amzn2023.0.1 |
| tomcat11-admin-webapps | amzn 2023 | 1:11.0.26-1.amzn2023.0.1 |
| tomcat11-docs-webapp | amzn 2023 | 1:11.0.26-1.amzn2023.0.1 |
| tomcat11-el-6.0-api | amzn 2023 | 1:11.0.26-1.amzn2023.0.1 |
| tomcat11-jsp-4.0-api | amzn 2023 | 1:11.0.26-1.amzn2023.0.1 |
| tomcat11-lib | amzn 2023 | 1:11.0.26-1.amzn2023.0.1 |
| tomcat11-servlet-6.1-api | amzn 2023 | 1:11.0.26-1.amzn2023.0.1 |
| tomcat11-webapps | amzn 2023 | 1:11.0.26-1.amzn2023.0.1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Urgent | CVE-2026-65905 | tomcat9: Authentication Bypass by Capture-replay vulnerability in Apache Tomcat's DIGEST authenticator | 9.8 | 0.0076 | None reported |
| Urgent | CVE-2026-65637 | tomcat9: Improper Input Validation vulnerability in Apache Tomcat due to incomplete fix for CVE-2026-32990 | 9.8 | 0.0075 | None reported |
| Urgent | CVE-2026-65182 | tomcat9: Improper Access Control, Incorrect Authorization vulnerability in Apache Tomcat leads to security constraint bypass i... | 9.1 | 0.0065 | None reported |
| Urgent | CVE-2026-76183 | tomcat9: Authentication Bypass by Alternate Name vulnerability in Apache Tomcat allowed the security constraints for any WebSo... | 9.8 | 0.0057 | None reported |
| Urgent | CVE-2026-86248 | tomcat9: CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled vulnerability in A... | 9.8 | 0.0050 | None reported |
| Urgent | CVE-2026-86350 | tomcat9: Inconsistent interpretation of HTTP/2 requests ('HTTP Request/Response smuggling') vulnerability in Apache Tomcat cau... | 9.1 | 0.0048 | None reported |
| High | CVE-2026-68763 | tomcat9: Uncontrolled Resource Consumption vulnerability in Apache Tomcat via an allocation leak in the HTTP/2 backlog trackin... | 8.2 | 0.0075 | None reported |
| High | CVE-2026-65927 | tomcat9: Off-by-one Error vulnerability in Apache Tomcat impacting the [N] flag on the rewrite valves causes rewrite processin... | 8.2 | 0.0068 | None reported |
| High | CVE-2026-77791 | tomcat9: Uncontrolled Resource Consumption vulnerability in Apache Tomcat during sending of WebSocket close message enabled a... | 7.5 | 0.0068 | None reported |
| High | CVE-2026-68525 | tomcat: Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies. Security Fix(es):... | 9.1 | 0.0064 | None reported |
| High | CVE-2026-87022 | tomcat9: Improper handling of length parameter inconsistency vulnerability in Apache Tomcat allows WebSocket message smuggling... | 7.5 | 0.0054 | None reported |
| High | CVE-2026-75973 | tomcat9: Improper Authentication vulnerability in Apache Tomcat | 7.3 | 0.0052 | None reported |
| High | CVE-2026-78437 | tomcat9: Incomplete cleanup vulnerability in Apache Tomcat allows a malformed request to potentially (depends on timing) cause... | 7.3 | 0.0051 | None reported |
| High | CVE-2026-78383 | tomcat9: Allocation of resources without limits or throttling vulnerability in Apache Tomcat allows an unauthenticated AJP req... | 7.5 | 0.0050 | None reported |
| High | CVE-2026-77762 | tomcat9: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulnerability in Apache T... | 8.1 | 0.0046 | None reported |
| High | CVE-2026-68569 | tomcat9: Improper Authentication vulnerability in Apache Tomcat meant that in some circumstances (e.g | 8.2 | 0.0046 | None reported |
| High | CVE-2026-66422 | tomcat9: Improper Authorization vulnerability in Apache Tomcat cause by security-role-ref definitions being incorrectly used a... | 8.1 | 0.0043 | None reported |
| High | CVE-2026-79677 | tomcat9: Missing release of resource after effective lifetime, Comparison using wrong factors vulnerability in Apache Tomcat a... | 7.5 | 0.0042 | None reported |
| High | CVE-2026-65183 | tomcat9: Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in Apache Tomcat when creating unix domain sockets al... | 8.1 | 0.0040 | None reported |
| Routine | CVE-2026-77756 | tomcat9: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in Apache Tomcat cause... | 3.7 | 0.0053 | None reported |
| Routine | CVE-2026-73180 | tomcat9: Insufficient Session Expiration vulnerability in Apache Tomcat meant that if the session ID for an authenticated HTTP... | 6.8 | 0.0044 | None reported |
| Routine | CVE-2026-73581 | tomcat10: Improper Check for Certificate Revocation vulnerability in Apache Tomcat | 6.5 | 0.0016 | None reported |
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